EP3184194B1 - Electrically-driven handheld riveting machine and its method for operation - Google Patents

Electrically-driven handheld riveting machine and its method for operation Download PDF

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Publication number
EP3184194B1
EP3184194B1 EP16203585.1A EP16203585A EP3184194B1 EP 3184194 B1 EP3184194 B1 EP 3184194B1 EP 16203585 A EP16203585 A EP 16203585A EP 3184194 B1 EP3184194 B1 EP 3184194B1
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EP
European Patent Office
Prior art keywords
collection container
riveting device
riveting
rivet
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16203585.1A
Other languages
German (de)
French (fr)
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EP3184194A1 (en
Inventor
Michael H. Honsel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honsel Distribution GmbH and Co KG
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Honsel Distribution GmbH and Co KG
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Publication of EP3184194A1 publication Critical patent/EP3184194A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure
    • B21J15/205—Riveting tools having hand operated pumps for building up the hydraulic pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/326—Broken-off mandrel collection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/49943—Riveting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application
    • Y10T29/49956—Riveting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53039—Means to assemble or disassemble with control means energized in response to activator stimulated by condition sensor
    • Y10T29/53048—Multiple station assembly or disassembly apparatus
    • Y10T29/53052—Multiple station assembly or disassembly apparatus including position sensor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53039—Means to assemble or disassemble with control means energized in response to activator stimulated by condition sensor
    • Y10T29/53061—Responsive to work or work-related machine element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/53717—Annular work
    • Y10T29/53726—Annular work with second workpiece inside annular work one workpiece moved to shape the other
    • Y10T29/5373—Annular work with second workpiece inside annular work one workpiece moved to shape the other comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter

Definitions

  • the present invention relates to a method for operating an electrically operated mobile riveting tool that can be held in the hand of a user, and such a riveting tool that has a housing in which a rivet setting mechanism is accommodated, with which rivet elements are set in workpieces to be connected Setting the rivet elements rivet mandrels are generated, which are conveyed through a conveyor channel into a collection container of the riveting tool.
  • a pneumatically operated riveting device shows the DE 81 19 147 U1 .
  • the riveting tool is used to set blind rivets in workpieces to be connected, and during the setting of the rivet parts of the rivet mandrel are torn off, and the collection container is used to collect the torn-off residual rivet mandrels.
  • a conveying channel is used to transfer the residual rivet mandrel from the front mouthpiece of the rivet setting mechanism into the collecting container arranged on the rear of the housing of the riveting tool, with a large number of residual rivet mandrels being guided through the conveying channel with riveting elements set one behind the other and being received in the collecting container.
  • the DE 10 2011 111 535 A1 discloses a further embodiment of a pneumatically operated riveting tool, and the rear of the riveting tool has a collecting container arranged on the housing, and through the rivet setting mechanism, starting from the mouthpiece, a conveying channel extends, which opens into the collecting container and through which the torn-off residual rivet mandrels can be moved.
  • the collection container can be opened via a closure on the back in order to empty it, whereby if the collection container is not emptied there is a risk that the collection container will open automatically, and injuries to the eyes, for example, may occur when riveting overhead.
  • the DE 78 19 059 U1 discloses a device for collecting and sucking off residual rivet mandrels that have been torn off from blind rivets for pneumatically operated blind riveting devices with a passage channel in the device head, which serves as a conveying channel for the residual rivet mandrels.
  • the free end of the collection container has a vacuum system operated by compressed air. This ensures that the collection and suction of the torn-off residual rivet mandrels works simply and reliably, with the compressed air being used to transport the residual rivet mandrels.
  • a vacuum system cannot be used in the case of electrically operated, in particular hand-held, riveting tools.
  • JP 2012-1210026 discloses a pneumatically operated riveting device in which the remaining rivet mandrels are registered and made known to the user.
  • the DE 10 2013 012 075 A1 discloses a pneumatically operated riveting device which is held by a robotic arm and in which the residual rivet mandrels are conveyed via a hose into a separately arranged collection container. In this case, too, the number of remaining rivet mandrels is determined.
  • From the DE 10 2013 221 789 A1 shows a cordless tool designed for manual operation for setting rivets, in which the remaining rivet mandrels are conveyed into a collecting container arranged coaxially with the tool head.
  • a ball screw is provided in the axis between the tool head and the rivet mandrel container to operate the tool head.
  • the residual rivet mandrels are conveyed to the rivet mandrel container via a channel.
  • the object of the invention is the further development of a method for operating a hand-held electrically operated riveting tool and the further development of such a riveting tool, the safety against failure of the riveting tool being reduced by the method for operating the riveting tool and by the riveting tool itself.
  • a riveting tool is to be created that is more user-friendly.
  • the invention proposes the technical teaching of providing means with which the number of residual rivet mandrels in the collection container is determined and that information is provided to a user as to whether the collection container needs to be emptied.
  • the essence of the invention lies in informing the user of the electrically operated riveting tool, which is intended in particular as a battery-powered tool, as to whether and when the collection container is filled with residual rivet mandrels and must be emptied.
  • means are provided according to the invention with which the number of residual rivet mandrels in the collection container is determined. If the number of residual rivet mandrels in the collection container reaches a maximum permissible capacity of the collection container, the user is informed that the collection container needs to be emptied.
  • this information is not limited exclusively to a currently necessary emptying of the collecting container, the user can also be provided with information according to the invention when the collecting container must be emptied, for example how many rivets can still be set before the collecting container is full is.
  • these comprise a sensing counting device, with which the number of remaining rivet mandrels transported into the collecting container is counted and a sum of remaining rivet mandrels is formed, so that the user is provided with information about the sum formed as to whether the collecting container must be emptied. If the sum of the remaining rivet mandrels has not yet reached the maximum capacity of the collection container, the information is usually not provided to the user. Only when the collection container has to be emptied does the riveting tool inform the user that the collection container needs to be emptied.
  • the number of rivet setting processes that are still possible before the capacity of the collecting container is reached can also be output as information to the user, so that the user does not interrupt the setting of a row of rivets, for example, but does not start a new row before the collecting container is emptied.
  • the means comprise an electronic counting device with which the number of times the riveting tool is actuated by the user by means of an activation switch is counted, from which the number of residual rivet mandrels which are conveyed into the collecting container is advantageously determined.
  • the riveting tool has a control unit, in particular when the riveting tool is designed as an electrically operated riveting tool and in particular when the activation switch is designed to work electrically.
  • the riveting tool also has a display device, and the control unit can be used to display on the display device the number of rivet setting processes after which the collection container must be emptied. This enables the user to decide whether or not a rivet setting sequence can still be performed before the bin is emptied.
  • the hand-held riveting tool particularly advantageously has a removal sensor, with which removal of the collecting container from the housing of the riveting tool is detected, and after removal of the collecting container from the housing, the count of residual rivet mandrels in the collecting container is zeroed.
  • the control unit can be coupled to the removal sensor, so that, for example, after a temporary removal of the collecting container, it is assumed that it has been emptied, and the control unit can start counting the remaining rivet mandrels transported into the collecting container from the beginning. In this case, it is necessary for the user to actually empty the collecting container when the collecting container is detached from the housing.
  • the riveting tool is designed to communicate with a mobile phone via a wireless connection, so that the riveting tool transmits information to the mobile phone, at least including the remaining number of riveting processes and/or the need to empty the collecting container, and via an app to the user is displayed on the mobile phone.
  • the mobile phone can vibrate or generate acoustic signals when an action by the user of the riveting tool is necessary, particularly with regard to the collection container.
  • the object of the invention is also achieved by a hand-held riveting tool with a housing in which a rivet setting mechanism is accommodated, with which rivet elements can be set in workpieces to be connected, and with a Conveyor channel through which residual rivet mandrels produced when setting the riveting elements can be conveyed into a collection container of the riveting tool.
  • a hand-held riveting tool with a housing in which a rivet setting mechanism is accommodated, with which rivet elements can be set in workpieces to be connected, and with a Conveyor channel through which residual rivet mandrels produced when setting the riveting elements can be conveyed into a collection container of the riveting tool.
  • means are provided with which the number of residual rivet mandrels in the collection container can be determined, and it is provided that information can be made available to a user as to whether the collection container needs to be emptied.
  • the means comprise a sensing counting device with which the number of residual rivet mandrels conveyed into the collecting container can be counted.
  • the means comprise an electronic counting device with which the frequency of actuation of the riveting tool can be counted by means of an activation switch.
  • the riveting tool has a removal sensor with which a removal of the collection container from the housing of the riveting tool can be detected.
  • such removal sensors are used to detect the arrangement of the collecting container, so that in interaction with the control unit of the riveting tool it can only be operated when the removal sensor detects the presence of a collecting container. This ensures that the residual rivet mandrels do not escape through the conveying channel via the back of the housing of the riveting tool and cause an eye injury to the user, for example.
  • such removal sensors provided in a manner known per se can be used to zero the count of the number of residual rivet mandrels in the collecting container, if it is assumed that the collecting container will also be emptied during a temporary removal.
  • the hand-held riveting tool has a display means which is designed to display the remaining number of riveting processes until the collecting container has to be emptied.
  • the display means is arranged, for example, in the form of a window on the housing of the riveting tool, for example and in particular in the area of the handle, in the side area or in the roof area of an upper housing part in which the rivet setting mechanism is accommodated.
  • Yet another embodiment of the hand-held riveting tool provides an unlocking means for manual unlocking, by means of which the collection container is removed, the unlocking means lighting up or flashing when the collection container needs to be emptied.
  • the riveting tool is designed for self-sufficient operation with an accumulator.
  • the accumulator of the riveting tool represents an electrical energy supply with which the method according to the invention for operating the hand-held riveting tool can be carried out.
  • the electrically operated riveting tool 1 has a housing 10 in which a rivet setting mechanism 11 is accommodated, and the rivet setting mechanism 11 comprises a front mouthpiece 21 in which a rivet element 12 is accommodated, for example.
  • the rivet element 12 is used to connect the workpieces 13, which are only indicated schematically.
  • On the underside of the housing 10 is a part of the handle 24 for holding the riveting tool 1 in a hand-held manner, and the handle 24 is adjoined by an accumulator 22 .
  • the riveting tool 1 is thus designed as a self-sufficient electric riveting tool that is held and operated by a user.
  • a collecting container 16 is located on the housing 10 on the rear side opposite the mouthpiece 21, and the collecting container 16 is used to receive residual rivet mandrels 14 is then transferred from the mouthpiece 21 via a conveying channel 15 aligned coaxially to the mouthpiece into the collection container 16 .
  • the conveying channel 15 extends coaxially through the housing 10 and through the rivet setting mechanism 11 and forms a straight channel-like connection between the mouthpiece 21 and the collecting container 16.
  • a residual rivet mandrel 14 is shown arranged in the conveying channel 15 as an example, which passes through the conveying channel in the direction of the arrow shown 15 is conveyed to the collection container 14.
  • a sensing counting device 17 is located on the conveying channel 15, with which it can be recognized how many residual rivet mandrels 14 are transferred into the collecting container 16.
  • a removal sensor 20 which serves to sense the arrangement of the collection container 16 on the housing 10 .
  • the removal sensor 20 can be used to detect whether the collecting container 16 is arranged on the housing 10 or whether it has been removed.
  • Such removal sensors 20 are used in a manner known per se to prevent the activation of the riveting tool 1 via the activation switch 19 if there is no collection container 16 on the rear of the housing 10 .
  • Such a safety device is intended to prevent the operation of the riveting tool 1 without a collecting container 16 in order to prevent injuries to the user, for example by preventing the remaining mandrels 14 from escaping the rear of the housing 10 .
  • a control unit 23 is shown schematically, which is also part of a riveting tool 1 in a manner known per se and is used to control the rivet setting mechanism 11 .
  • the embodiment shows that the sensing counting device 17 (according to the embodiment not claimed) and the removal sensor 20 are connected to the control unit 23 .
  • the electronic counting device 18 is shown as part of the control unit 23, with which the number of rivet elements 12 set can be counted.
  • An interaction arrow indicates an operative connection with a display means 25, which is arranged in the handle 24, for example.
  • the display means 25 can be used to show the user of the riveting tool 1, for example, the classification of riveting elements 12 for which the operating mode of the riveting tool 1 is set Display means 25 are displayed, how many residual rivet mandrels 14 are already present in the collecting container 16 and whether or when this needs to be changed.
  • the counting devices 17 and 18 show, by way of example, means with which the number of residual rivet mandrels 14 in the collecting container 16 is determined, and the information can be provided to the user as to whether the collecting container 16 needs to be emptied. This information can be displayed to the user, for example, via the display means 25, or an acoustic signal sounds, an additional light signal can also be given, or haptic information is sent to the user, for example by a vibration device in the riveting tool 1.
  • the counting device 17 supplies the information about the number of remaining rivet mandrels 14 to the control unit 23, the number being recognized, for example, at the conveying channel 15.
  • the detection via the sensing cell device 17 can also take place at a different point, for example within the rivet setting mechanism 11 .
  • the number of residual rivet mandrels 14 in the collection container 16 is detected according to the invention by the electronic counting device 18 based on the number of times the activation switch 19 has been actuated, so that no further sensor means are required, since a simple electronic count in the control unit 23 determines the number of rivet elements 12 can be counted.
  • the count can be zeroed, for example, when the removal sensor 20 detects the removal of the collection container 16, when it is assumed that a collection container 16 that has been removed will also be emptied.
  • the removal sensor 20 can also include a metallic detector, with which it can be seen whether there are actually no remaining rivet mandrels 14 in the collecting container 16 .
  • the control unit 23 prevents the acceptance of an activation of the activation switch 19 when the collection container 16 is full and needs to be emptied. This state can be communicated to the user using the Display means 25 are displayed, so that it first has to empty the collecting container 16 in order to continue using the riveting tool 1 .
  • the riveting tool 1 can be designed to communicate with the mobile phone 26 via a wireless connection 28, so that the riveting tool 1 transmits information to the mobile phone 26 at least including the remaining number of riveting operations and/or the need to empty the Collection container 16 is transmitted and is displayed to the user on the mobile phone 26 by means of an app 27 .
  • the display means 25 there is also the possibility of providing the user with information about how many rivet elements 12 can still be set before the collection container 16 has to be emptied. This information can be provided, for example, by counting down the remaining rivet setting processes, which is displayed on the display means 25 .
  • the invention is not limited in its implementation to the preferred exemplary embodiment given above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Insertion Pins And Rivets (AREA)
  • Automatic Assembly (AREA)

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Betrieb eines elektrisch betriebenen in der Hand eines Nutzers haltbaren, mobilen Nietgerätes, sowie ein solches Nietgerät, das ein Gehäuse aufweist, in dem eine Nietsetzmechanik aufgenommen ist, mit der Nietelemente in zu verbindende Werkstücke gesetzt werden, wobei beim Setzen der Nietelemente Nietrestdorne erzeugt werden, die durch einen Förderkanal in einen Auffangbehälter des Nietgerätes befördert werden.The present invention relates to a method for operating an electrically operated mobile riveting tool that can be held in the hand of a user, and such a riveting tool that has a housing in which a rivet setting mechanism is accommodated, with which rivet elements are set in workpieces to be connected Setting the rivet elements rivet mandrels are generated, which are conveyed through a conveyor channel into a collection container of the riveting tool.

STAND DER TECHNIKSTATE OF THE ART

Ein pneumatisch betriebenes Nietgerät zeigt beispielsweise die DE 81 19 147 U1 . Das Nietgerät dient zum Setzen von Blindnieten in zu verbindende Werkstücke, und während des Nietsetzens werden Teile des Nietdorns abgerissen, und zum Auffangen der abgerissenen Restnietdorne dient der Auffangbehälter. Zum Überführen des Restnietdorns vom vorderseitigen Mundstück der Nietsetzmechanik in den rückseitig am Gehäuse des Nietgerätes angeordneten Auffangbehälter dient ein Förderkanal, wobei eine Vielzahl von Restnietdornen bei hintereinander gesetzten Nietelementen durch den Förderkanal geführt und im Auffangbehälter aufgenommen werden. Die meisten Auffangbehälter für die Restnietdorne sind nicht einsichtig und beispielsweise aus einem nichttransparenten Kunststoff hergestellt. Der Bediener des Nietgerätes muss regelmäßig prüfen, ob der Auffangbehälter bereits voll ist. Selbst bei durchsichtigen Auffangbehältern wird häufig das Entleeren unterlassen, und ist der Auffangbehälter voll, können die Restnietdorne nicht mehr abgeführt werden und verstopfen den Förderkanal, so dass es häufig zu Verklemmungen der Restnietdorne im Förderkanal oder auch im Auffangbehälter kommt, wobei sogar ein nicht entleerter Auffangbehälter zum Totalschaden des Nietgerätes führen kann.A pneumatically operated riveting device, for example, shows the DE 81 19 147 U1 . The riveting tool is used to set blind rivets in workpieces to be connected, and during the setting of the rivet parts of the rivet mandrel are torn off, and the collection container is used to collect the torn-off residual rivet mandrels. A conveying channel is used to transfer the residual rivet mandrel from the front mouthpiece of the rivet setting mechanism into the collecting container arranged on the rear of the housing of the riveting tool, with a large number of residual rivet mandrels being guided through the conveying channel with riveting elements set one behind the other and being received in the collecting container. Most collection containers for the remaining rivet mandrels are not visible and are made of non-transparent plastic, for example. The operator of the riveting tool must regularly check whether the collection container is already full. Even in the case of transparent collecting containers, emptying is often not carried out, and if the collecting container is full, the residual rivet mandrels can no longer be discharged and block the conveying channel, so that the remaining mandrels often become jammed in the conveying channel or in the collecting container, with even a collecting container that is not emptied can lead to the total loss of the riveting tool.

Die DE 10 2011 111 535 A1 offenbart eine weitere Ausführungsform eines pneumatisch betriebenen Nietgerätes, und rückseitig weist das Nietgerät einen am Gehäuse angeordneten Auffangbehälter auf, und durch die Nietsetzmechanik erstreckt sich vom Mundstück beginnend ein Förderkanal, der in den Auffangbehälter mündet und durch den die abgerissenen Restnietdorne bewegt werden können. Der Auffangbehälter kann über einen rückseitigen Verschluss geöffnet werden, um diesen zu entleeren, wobei bei einem nicht entleerten Auffangbehälter die Gefahr besteht, dass sich der Auffangbehälter selbsttätig öffnet, und beispielsweise bei Überkopf-Nietarbeiten kann es zu Verletzungen beispielsweise der Augen kommen.the DE 10 2011 111 535 A1 discloses a further embodiment of a pneumatically operated riveting tool, and the rear of the riveting tool has a collecting container arranged on the housing, and through the rivet setting mechanism, starting from the mouthpiece, a conveying channel extends, which opens into the collecting container and through which the torn-off residual rivet mandrels can be moved. The collection container can be opened via a closure on the back in order to empty it, whereby if the collection container is not emptied there is a risk that the collection container will open automatically, and injuries to the eyes, for example, may occur when riveting overhead.

Die DE 78 19 059 U1 offenbart eine Vorrichtung zum Sammeln und Absaugen abgerissener Restnietdorne von Blindnieten für pneumatisch betriebene Blindnietgeräte mit einem Durchlasskanal im Gerätekopf, der als Förderkanal für die Restnietdorne dient. Das freie Ende des Auffangbehälters weist dabei ein durch Druckluft betriebenes Vakuumsystem auf. Damit wird erreicht, dass das Sammeln und Absaugen der abgerissenen Restnietdorne einfach und zuverlässig funktioniert, wobei die Druckluft zum Transport der Restnietdorne dient. Bei elektrisch betriebenen insbesondere handhaltbaren Nietgeräten ist ein derartiges Unterdrucksystem allerdings nicht anwendbar.the DE 78 19 059 U1 discloses a device for collecting and sucking off residual rivet mandrels that have been torn off from blind rivets for pneumatically operated blind riveting devices with a passage channel in the device head, which serves as a conveying channel for the residual rivet mandrels. The free end of the collection container has a vacuum system operated by compressed air. This ensures that the collection and suction of the torn-off residual rivet mandrels works simply and reliably, with the compressed air being used to transport the residual rivet mandrels. However, such a vacuum system cannot be used in the case of electrically operated, in particular hand-held, riveting tools.

Auch die JP 2012-1210026 offenbart ein pneumatisch betriebenes Nietgerät, bei dem die anfallenden der Restnietdorne registriert und dem Nutzer zur Kenntnis gebracht werden.Also the JP 2012-1210026 discloses a pneumatically operated riveting device in which the remaining rivet mandrels are registered and made known to the user.

Die DE 10 2013 012 075 A1 offenbart ein pneumatisch betriebenes Nietgerät, das von einem Roboterarm gehalten ist und bei dem die Restnietdorne über einen Schlauch in einen separat angeordneten Auffangbehälter befördert werden. Auch in diesem Fall wird die Anzahl der Restnietdorne ermittelt.the DE 10 2013 012 075 A1 discloses a pneumatically operated riveting device which is held by a robotic arm and in which the residual rivet mandrels are conveyed via a hose into a separately arranged collection container. In this case, too, the number of remaining rivet mandrels is determined.

Aus der DE 10 2013 221 789 A1 ist ein für den Handbetrieb ausgebildetes Akkugerät zum Setzen von Nieten gezeigt, bei dem Restnietdorne in einen koaxial zum Gerätekopf angeordneten Auffangbehälter befördert werden. In der Achse zwischen Gerätekopf und Nietdornbehälter ist eine Kugelumlaufspindel zum Betrieb des Gerätekopfes vorgesehen. Die Restnietdorne werden über einen Kanal zum Nietdornbehälter befördert.From the DE 10 2013 221 789 A1 shows a cordless tool designed for manual operation for setting rivets, in which the remaining rivet mandrels are conveyed into a collecting container arranged coaxially with the tool head. A ball screw is provided in the axis between the tool head and the rivet mandrel container to operate the tool head. The residual rivet mandrels are conveyed to the rivet mandrel container via a channel.

Die gattungsgemäße US 4 754 643 A offenbart ein elektrisch betriebenes handhaltbares Nietgerät, sowie ein Verfahren zu seinem Betrieb.The generic U.S.A. 4,754,643 discloses an electrically powered hand held riveting tool and a method of operating it.

Aufgabe der Erfindung ist die Weiterbildung eines Verfahrens zum Betrieb eines handhaltbaren elektrisch betriebenen Nietgerätes sowie die Weiterbildung eines solchen Nietgerätes, wobei die Sicherheit gegen ein Versagen des Nietgerätes durch das Verfahren zum Betrieb des Nietgerätes und durch das Nietgerät selbst verringert werden soll. Insbesondere soll ein Nietgerät geschaffen werden, das einen erhöhten Bedienkomfort aufweist.The object of the invention is the further development of a method for operating a hand-held electrically operated riveting tool and the further development of such a riveting tool, the safety against failure of the riveting tool being reduced by the method for operating the riveting tool and by the riveting tool itself. In particular, a riveting tool is to be created that is more user-friendly.

Diese Aufgabe wird ausgehend von einem Verfahren zum Betrieb eines elektrisch betriebenen handhaltbaren Nietgerätes gemäß dem Oberbegriff des Anspruches 1 sowie ausgehend von einem handhaltbaren Nietgerät gemäß dem Oberbegriff des Anspruches 5 mit den jeweils kennzeichnenden Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved based on a method for operating an electrically operated hand-held riveting tool according to the preamble of claim 1 and based on a hand-held riveting tool according to the preamble of claim 5 with the respective characterizing features. Advantageous developments of the invention are specified in the dependent claims.

Die Erfindung schlägt die technische Lehre vor, Mittel vorzusehen, mit denen die Anzahl von Restnietdornen im Auffangbehälter bestimmt wird und dass einem Benutzer die Information bereitgestellt wird, ob eine Entleerung des Auffangbehälters erforderlich ist.The invention proposes the technical teaching of providing means with which the number of residual rivet mandrels in the collection container is determined and that information is provided to a user as to whether the collection container needs to be emptied.

Der Kern der Erfindung liegt darin, den Benutzer des elektrisch betriebenen Nietgerätes, das insbesondere als Akkugerät vorgesehene ist, darüber zu informieren, ob und wann der Auffangbehälter mit Restnietdornen gefüllt ist und entleert werden muss. Um die Information bereitzustellen, sind erfindungsgemäß Mittel vorgesehen, mit denen die Anzahl von Restnietdornen im Auffangbehälter bestimmt wird. Erreicht die Anzahl der Restnietdorne im Auffangbehälter eine maximal zulässig Aufnahmekapazität des Auffangbehälters, so wird die Information an den Benutzer bereitgestellt, dass die Entleerung des Auffangbehälters erforderlich ist. Im Rahmen der Erfindung beschränkt sich diese Information jedoch nicht ausschließlich auf eine aktuell notwendige Entleerung des Auffangbehälters, vielmehr kann der Benutzer erfindungsgemäß auch mit Informationen versorgt werden, wann der Auffangbehälter entleert werden muss, beispielsweise wie viele Nieten noch gesetzt werden können, bis der Auffangbehälter voll ist.The essence of the invention lies in informing the user of the electrically operated riveting tool, which is intended in particular as a battery-powered tool, as to whether and when the collection container is filled with residual rivet mandrels and must be emptied. In order to provide the information, means are provided according to the invention with which the number of residual rivet mandrels in the collection container is determined. If the number of residual rivet mandrels in the collection container reaches a maximum permissible capacity of the collection container, the user is informed that the collection container needs to be emptied. In the context of the invention, however, this information is not limited exclusively to a currently necessary emptying of the collecting container, the user can also be provided with information according to the invention when the collecting container must be emptied, for example how many rivets can still be set before the collecting container is full is.

Gemäß einer nicht beanspruchten Ausführungsform der Mittel umfassen diese eine sensierende Zähleinrichtung, mit der die Anzahl der in den Auffangbehälter beförderten Restnietdorne gezählt wird und wobei eine Summe an Restnietdornen gebildet wird, so dass über die gebildete Summe dem Benutzer die Information bereitgestellt wird, ob der Auffangbehälter geleert werden muss. Hat die Summe der Restnietdorne die maximale Aufnahmekapazität des Auffangbehälters noch nicht erreicht, wird die Information an den Benutzer im Regelfall noch nicht bereitgestellt. Erst wenn der Auffangbehälter geleert werden muss, erhält der Benutzer vom Nietgerät die Information, dass der Auffangbehälter geleert werden muss. Beispielsweise kann als Information an den Benutzer auch eine Anzahl von noch möglichen Nietsetzvorgängen vor dem Erreichen der Aufnahmekapazität des Auffangbehälters ausgegeben werden, sodass der Benutzer das Setzen beispielsweise eine Reihe von Nieten nicht unterbricht, aber eine neue Reihe nicht vor einer Entleerung des Auffangbehälters beginnt. Gemäß dem erfindungsgemäßen Verfahren umfassen die Mittel eine elektronische Zähleinrichtung, mit der die Anzahl der Betätigungen des Nietgerätes mittels eines Aktivierungsschalters durch den Benutzer gezählt wird, woraus auf vorteilhafte Weise die Anzahl der Restnietdorne bestimmt wird, die in den Auffangbehälter befördert werden. Beispielsweise weist das Nietgerät eine Steuereinheit auf, insbesondere wenn das Nietgerät als elektrisch betriebenes Nietgerät ausgeführt ist und insbesondere wenn der Aktivierungsschalter elektrisch wirkend ausgebildet ist. Somit kann auf einfache Weise und ohne zusätzliche Hardwarekomponenten mit der Steuereinheit bestimmt werden, welchen Füllungsgrad der Auffangbehälter aufweist, so dass eine aktuelle Füllstandinformation des Auffangbehälters an den Benutzer des Nietgerätes ausgegeben werden kann. Beispielsweise weist das Nietgerät zusätzlich ein Anzeigemittel auf, und mit der Steuereinheit kann auf dem Anzeigemittel angezeigt werden, nach wie vielen Nietsetzvorgängen der Auffangbehälter geleert werden muss. Dadurch wird der Benutzer in die Lage versetzt, zu entscheiden, ob eine Nietsetzfolge noch vorgenommen werden kann oder nicht, bevor der Auffangbehälter geleert wird.According to a non-claimed embodiment of the means, these comprise a sensing counting device, with which the number of remaining rivet mandrels transported into the collecting container is counted and a sum of remaining rivet mandrels is formed, so that the user is provided with information about the sum formed as to whether the collecting container must be emptied. If the sum of the remaining rivet mandrels has not yet reached the maximum capacity of the collection container, the information is usually not provided to the user. Only when the collection container has to be emptied does the riveting tool inform the user that the collection container needs to be emptied. For example, the number of rivet setting processes that are still possible before the capacity of the collecting container is reached can also be output as information to the user, so that the user does not interrupt the setting of a row of rivets, for example, but does not start a new row before the collecting container is emptied. According to the method according to the invention, the means comprise an electronic counting device with which the number of times the riveting tool is actuated by the user by means of an activation switch is counted, from which the number of residual rivet mandrels which are conveyed into the collecting container is advantageously determined. For example, the riveting tool has a control unit, in particular when the riveting tool is designed as an electrically operated riveting tool and in particular when the activation switch is designed to work electrically. So can open can be determined in a simple manner and without additional hardware components with the control unit, which degree of filling the collecting container has, so that current information about the filling level of the collecting container can be output to the user of the riveting tool. For example, the riveting tool also has a display device, and the control unit can be used to display on the display device the number of rivet setting processes after which the collection container must be emptied. This enables the user to decide whether or not a rivet setting sequence can still be performed before the bin is emptied.

Mit besonderem Vorteil weist das handhaltbare Nietgerät einen Entnahmesensor auf, mit dem eine Entnahme des Auffangbehälters vom Gehäuse des Nietgerätes erkannt wird, und wobei nach einer Entnahme des Auffangbehälters vom Gehäuse die Zählung der Restnietdorne im Auffangbehälter genullt wird. Insbesondere kann die Steuereinheit mit dem Entnahmesensor gekoppelt sein, so dass beispielsweise nach einer vorübergehenden Entnahme des Auffangbehälters davon ausgegangen wird, dass dieser entleert wurde, und mit der Steuereinheit kann die Zählung der in den Auffangbehälter beförderten Restnietdorne von vorne beginnen. Dabei ist erforderlich, dass der Benutzer den Auffangbehälter auch tatsächlich leert, wenn der Auffangbehälter vom Gehäuse gelöst wird.The hand-held riveting tool particularly advantageously has a removal sensor, with which removal of the collecting container from the housing of the riveting tool is detected, and after removal of the collecting container from the housing, the count of residual rivet mandrels in the collecting container is zeroed. In particular, the control unit can be coupled to the removal sensor, so that, for example, after a temporary removal of the collecting container, it is assumed that it has been emptied, and the control unit can start counting the remaining rivet mandrels transported into the collecting container from the beginning. In this case, it is necessary for the user to actually empty the collecting container when the collecting container is detached from the housing.

Gemäß einer noch weiteren Ausführungsform ist das Nietgerät zur Kommunikation mit einem Mobiltelefon über eine Drahtlosverbindung ausgebildet ist, sodass vom Nietgerät an das Mobiltelefon eine Information wenigstens umfassend die Restanzahl von verbleibenden Nietvorgängen und/oder die Notwendigkeit einer Entleerung des Auffangbehälters übermittelt wird und mittels einer App dem Benutzer auf dem Mobiltelefon angezeigt wird. Beispielsweise kann das Mobiltelefon vibrieren oder akustische Signale erzeugen, wenn eine Handlung des Benutzers des Nietgerätes insbesondere in Bezug auf den Auffangbehälter notwendig ist.According to yet another embodiment, the riveting tool is designed to communicate with a mobile phone via a wireless connection, so that the riveting tool transmits information to the mobile phone, at least including the remaining number of riveting processes and/or the need to empty the collecting container, and via an app to the user is displayed on the mobile phone. For example, the mobile phone can vibrate or generate acoustic signals when an action by the user of the riveting tool is necessary, particularly with regard to the collection container.

Die Aufgabe der Erfindung wird weiterhin gelöst durch ein handhaltbares Nietgerät mit einem Gehäuse, in dem eine Nietsetzmechanik aufgenommen ist, mit der Nietelemente in zu verbindende Werkstücke setzbar sind, und mit einem Förderkanal, durch den beim Setzen der Nietelemente erzeugte Restnietdorne in einen Auffangbehälter des Nietgerätes beförderbar sind. Erfindungsgemäß sind Mittel vorgesehen, mit denen die Anzahl von Restnietdornen im Auffangbehälter bestimmbar ist, und es ist vorgesehen, dass einem Benutzer die Information bereitstellbar ist, ob eine Entleerung des Auffangbehälters erforderlich ist.The object of the invention is also achieved by a hand-held riveting tool with a housing in which a rivet setting mechanism is accommodated, with which rivet elements can be set in workpieces to be connected, and with a Conveyor channel through which residual rivet mandrels produced when setting the riveting elements can be conveyed into a collection container of the riveting tool. According to the invention, means are provided with which the number of residual rivet mandrels in the collection container can be determined, and it is provided that information can be made available to a user as to whether the collection container needs to be emptied.

Gemäß einer nicht beanspruchten Ausführungsform, umfassen die Mittel eine sensierende Zähleinrichtung, mit der die Anzahl der in den Auffangbehälter beförderten Restnietdorne zählbar ist.According to an embodiment that is not claimed, the means comprise a sensing counting device with which the number of residual rivet mandrels conveyed into the collecting container can be counted.

Gemäß der Erfindung umfassen die Mittel eine elektronische Zähleinrichtung, mit der die Häufigkeit der Betätigung des Nietgerätes mittels eines Aktivierungsschalters zählbar ist.According to the invention, the means comprise an electronic counting device with which the frequency of actuation of the riveting tool can be counted by means of an activation switch.

Gemäß einer weiteren vorteilhaften Ausgestaltung weist das Nietgerät einen Entnahmesensor auf, mit dem eine Entnahme des Auffangbehälters vom Gehäuse des Nietgerätes erkennbar ist. Derartige Entnahmesensoren dienen gemäß einer vorteilhaften Weiterbildung des handhaltbaren Nietgerätes dazu, die Anordnung des Auffangbehälters zu erkennen, so dass in Wechselwirkung mit der Steuereinheit des Nietgerätes dieses nur bedient werden kann, wenn der Entnahmesensor das Vorhandensein eines Auffangbehälters erkennt. Damit wird die Sicherheit geschafften, dass die Restnietdorne nicht über die Hinterseite des Gehäuses des Nietgerätes durch den Förderkanal ins Freie gelangen, und beispielsweise beim Benutzer eine Augenverletzung hervorrufen. Erfindungsgemäß können solche in an sich bekannter Weise vorgesehene Entnahmesensoren dazu dienen, die Zählung der Anzahl der Restnietdorne im Auffangbehälter zu nullen, wenn davon ausgegangen wird, dass bei einer vorübergehenden Entnahme der Auffangbehälter auch geleert wird.According to a further advantageous embodiment, the riveting tool has a removal sensor with which a removal of the collection container from the housing of the riveting tool can be detected. According to an advantageous development of the hand-held riveting tool, such removal sensors are used to detect the arrangement of the collecting container, so that in interaction with the control unit of the riveting tool it can only be operated when the removal sensor detects the presence of a collecting container. This ensures that the residual rivet mandrels do not escape through the conveying channel via the back of the housing of the riveting tool and cause an eye injury to the user, for example. According to the invention, such removal sensors provided in a manner known per se can be used to zero the count of the number of residual rivet mandrels in the collecting container, if it is assumed that the collecting container will also be emptied during a temporary removal.

Mit weiterem Vorteil weist das handhaltbare Nietgerät ein Anzeigemittel auf, das dazu ausgebildet ist, eine verbleibende Anzahl von Nietvorgängen anzuzeigen, bis eine Entleerung des Auffangbehälters erforderlich ist. Das Anzeigemittel ist beispielsweise in Fensterform am Gehäuse des Nietgerätes angeordnet, beispielsweise und insbesondere im Bereich des Handgriffes, im Seitenbereich oder im Dachbereich eines oberen Gehäuseteils, in dem die Nietsetzmechanik aufgenommen ist.With a further advantage, the hand-held riveting tool has a display means which is designed to display the remaining number of riveting processes until the collecting container has to be emptied. The display means is arranged, for example, in the form of a window on the housing of the riveting tool, for example and in particular in the area of the handle, in the side area or in the roof area of an upper housing part in which the rivet setting mechanism is accommodated.

Eine noch weitere Ausgestaltung des handhaltbaren Nietgerätes sieht ein Entriegelungsmittel zur manuellen Entriegelung vor, mittels dem eine Entnahme des Auffangbehälters erfolgt, wobei bei einer erforderlichen Entleerung des Auffangbehälters das Entriegelungsmittel leuchtet oder blinkt. Damit wird einem Benutzer selbsterklärend und insbesondere intuitiv die Information bereitgestellt, welche Handgriffe notwendig sind, um die Entleerung des Auffangbehälters vorzunehmen. Mit besonderem Vorteil ist dabei das Nietgerät zum autarken Betrieb mit einem Akkumulator ausgebildet. Der Akkumulator des Nietgerätes stellt dabei eine elektrische Energieversorgung dar, mit der das erfindungsgemäße Verfahren zum Betrieb des handhaltbaren Nietgerätes ausgeführt werden kann.Yet another embodiment of the hand-held riveting tool provides an unlocking means for manual unlocking, by means of which the collection container is removed, the unlocking means lighting up or flashing when the collection container needs to be emptied. In this way, a user is provided with the information, in a self-explanatory and particularly intuitive manner, as to which actions are necessary in order to empty the collection container. With particular advantage, the riveting tool is designed for self-sufficient operation with an accumulator. The accumulator of the riveting tool represents an electrical energy supply with which the method according to the invention for operating the hand-held riveting tool can be carried out.

Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figur näher dargestellt.

Die Figur zeigt
eine schematisierte Ansicht eines elektrisch betriebenen Nietgerätes zum Setzen von Blindnieten mit dem Merkmal der vorliegenden Erfindung.
Further measures improving the invention are presented in more detail below together with the description of a preferred exemplary embodiment of the invention with reference to the figure.
The figure shows
a schematic view of an electrically operated riveting tool for setting blind rivets with the feature of the present invention.

Das elektrisch betriebene Nietgerät 1 weist ein Gehäuse 10 auf, in dem eine Nietsetzmechanik 11 aufgenommen ist, und die Nietsetzmechanik 11 umfasst ein vorderseitiges Mundstück 21, in dem beispielhaft ein Nietelement 12 aufgenommen ist. Das Nietelement 12 dient dabei zur Verbindung der Werkstücke 13, die lediglich schematisch angedeutet sind. Unterseitig des Gehäuses 10 befindet sich als Teil desselben der Handgriff 24 zur handhaltbaren Aufnahme des Nietgerätes 1, und an den Handgriff 24 schließt sich ein Akkumulator 22 an. Das Nietgerät 1 ist damit als autark arbeitendes elektrisches Nietgerät ausgeführt, das von einem Nutzer in der Hand gehalten und bedient wird.The electrically operated riveting tool 1 has a housing 10 in which a rivet setting mechanism 11 is accommodated, and the rivet setting mechanism 11 comprises a front mouthpiece 21 in which a rivet element 12 is accommodated, for example. The rivet element 12 is used to connect the workpieces 13, which are only indicated schematically. On the underside of the housing 10 is a part of the handle 24 for holding the riveting tool 1 in a hand-held manner, and the handle 24 is adjoined by an accumulator 22 . The riveting tool 1 is thus designed as a self-sufficient electric riveting tool that is held and operated by a user.

Am Gehäuse 10 befindet sich auf der dem Mundstück 21 gegenüberliegenden hinteren Seite ein Auffangbehälter 16, und der Auffangbehälter 16 dient zur Aufnahme von Restnietdornen 14. Die Restnietdorne 14 entstehen beim Nietsetzen, indem ein Teil des Nietdornes oder Nietstiftes abgeschert wird, welcher anschließend vom Mundstück 21 über einen koaxial zum Mundstück ausgerichteten Förderkanal 15 in den Auffangbehälter 16 überführt wird. Hierfür erstreckt sich der Förderkanal 15 koaxial durch das Gehäuse 10 und durch die Nietsetzmechanik 11 hindurch und bildet eine geradlinige kanalartige Verbindung zwischen dem Mundstück 21 und dem Auffangbehälter 16. Beispielhaft ist ein Restnietdorn 14 im Förderkanal 15 angeordnet gezeigt, der in dargestellter Pfeilrichtung durch den Förderkanal 15 zum Auffangbehälter 14 befördert wird.A collecting container 16 is located on the housing 10 on the rear side opposite the mouthpiece 21, and the collecting container 16 is used to receive residual rivet mandrels 14 is then transferred from the mouthpiece 21 via a conveying channel 15 aligned coaxially to the mouthpiece into the collection container 16 . For this purpose, the conveying channel 15 extends coaxially through the housing 10 and through the rivet setting mechanism 11 and forms a straight channel-like connection between the mouthpiece 21 and the collecting container 16. A residual rivet mandrel 14 is shown arranged in the conveying channel 15 as an example, which passes through the conveying channel in the direction of the arrow shown 15 is conveyed to the collection container 14.

Gemäß einer nicht beanspruchten Ausführungsform, befindet sich am Förderkanal 15 eine sensierende Zähleinrichtung 17, mit der erkannt werden kann, wie viele Restnietdorne 14 in den Auffangbehälter 16 überführt werden. Im Bereich der Anordnung des Auffangbehälters 16 am Gehäuse 10 befindet sich ein Entnahmesensor 20, der zur Sensierung der Anordnung des Auffangbehälters 16 am Gehäuse 10 dient. Mittels des Entnahmesensors 20 ist erkennbar, ob der Auffangbehälter 16 am Gehäuse 10 angeordnet ist oder ob dieser entnommen wurde. Derartige Entnahmesensoren 20 dienen in an sich bekannter Weise dazu, die Aktivierung des Nietgerätes 1 über den Aktivierungsschalter 19 zu unterbinden, sofern sich kein Auffangbehälter 16 rückseitig am Gehäuse 10 befindet. Eine derartige Sicherheitseinrichtung ist dafür vorgesehen, den Betrieb des Nietgerätes 1 ohne Auffangbehälter 16 zu unterbinden, um Verletzungen des Benutzers vorzubeugen, beispielsweise indem die Restnietdorne 14 nicht rückseitig aus dem Gehäuse 10 herausgelangen können.According to an embodiment that is not claimed, a sensing counting device 17 is located on the conveying channel 15, with which it can be recognized how many residual rivet mandrels 14 are transferred into the collecting container 16. In the area where the collection container 16 is arranged on the housing 10 there is a removal sensor 20 which serves to sense the arrangement of the collection container 16 on the housing 10 . The removal sensor 20 can be used to detect whether the collecting container 16 is arranged on the housing 10 or whether it has been removed. Such removal sensors 20 are used in a manner known per se to prevent the activation of the riveting tool 1 via the activation switch 19 if there is no collection container 16 on the rear of the housing 10 . Such a safety device is intended to prevent the operation of the riveting tool 1 without a collecting container 16 in order to prevent injuries to the user, for example by preventing the remaining mandrels 14 from escaping the rear of the housing 10 .

Weiterhin ist eine Steuereinheit 23 schematisch gezeigt, die ebenfalls in an sich bekannter Weise Bestandteil eines Nietgerätes 1 ist, und zur Steuerung der Nietsetzmechanik 11 dient. Die Ausgestaltung zeigt, dass die sensierende Zähleinrichtung 17 (gemäß der nicht beanspruchten Ausführungsform) und der Entnahmesensor 20 mit der Steuereinheit 23 verbunden sind. Erfindungsgemäß ist die elektronische Zähleinrichtung 18 als Bestandteil der Steuereinheit 23 gezeigt, mit welcher die Anzahl der gesetzten Nietelemente 12 zählbar ist. Ein Wechselwirkungspfeil deutet dabei eine Wirkverbindung mit einem Anzeigemittel 25 an, das beispielhaft im Handgriff 24 angeordnet ist. Über das Anzeigemittel 25 kann dem Benutzer des Nietgerätes 1 beispielsweise angezeigt werden, für welche Klassifikation von Nietelementen 12 der Betriebsmodus des Nietgerätes 1 eingestellt ist, ferner kann über das Anzeigemittel 25 angezeigt werden, wie viele Restnietdorne 14 bereits im Auffangbehälter 16 vorhanden sind und ob oder wann dieser gewechselt werden muss.Furthermore, a control unit 23 is shown schematically, which is also part of a riveting tool 1 in a manner known per se and is used to control the rivet setting mechanism 11 . The embodiment shows that the sensing counting device 17 (according to the embodiment not claimed) and the removal sensor 20 are connected to the control unit 23 . According to the invention, the electronic counting device 18 is shown as part of the control unit 23, with which the number of rivet elements 12 set can be counted. An interaction arrow indicates an operative connection with a display means 25, which is arranged in the handle 24, for example. The display means 25 can be used to show the user of the riveting tool 1, for example, the classification of riveting elements 12 for which the operating mode of the riveting tool 1 is set Display means 25 are displayed, how many residual rivet mandrels 14 are already present in the collecting container 16 and whether or when this needs to be changed.

Mit den Zähleinrichtungen 17 und 18 werden beispielhaft Mittel aufgezeigt, mit denen die Anzahl von Restnietdornen 14 im Auffangbehälter 16 bestimmt wird, und es kann dem Benutzer die Information bereitgestellt werden, ob eine Entleerung des Auffangbehälters 16 erforderlich ist. Diese Information kann beispielsweise über das Anzeigemittel 25 dem Benutzer angezeigt werden, oder es ertönt ein akustisches Signal, ferner kann ein zusätzliches Lichtsignal gegeben werden oder es erfolgt eine haptische Information an den Nutzer, beispielsweise durch eine Vibrationseinrichtung im Nietgerät 1.The counting devices 17 and 18 show, by way of example, means with which the number of residual rivet mandrels 14 in the collecting container 16 is determined, and the information can be provided to the user as to whether the collecting container 16 needs to be emptied. This information can be displayed to the user, for example, via the display means 25, or an acoustic signal sounds, an additional light signal can also be given, or haptic information is sent to the user, for example by a vibration device in the riveting tool 1.

Die Zähleinrichtung 17 (gemäß der nicht beanspruchten Ausführungsform) liefert dabei die Information über die Anzahl der Restnietdorne 14 an die Steuereinheit 23, wobei die Erkennung der Anzahl beispielsweise am Förderkanal 15 erfolgt. Die Erkennung über die sensierende Zelleinrichtung 17 kann dabei auch an einer anderen Stelle beispielsweise innerhalb der Nietsetzmechanik 11 erfolgen. Die erfindungsgemäße Erkennung der Anzahl an Restnietdornen 14 im Auffangbehälter 16 über die elektronische Zähleinrichtung 18 erfolgt über die Anzahl der Betätigungen des Aktivierungsschalters 19, so dass keine weiteren Sensormittel erforderlich sind, da durch eine einfache elektronische Zählung in der Steuereinheit 23 die Anzahl von gesetzten Nietelementen 12 gezählt werden kann. Die Zählung kann beispielsweise genullt werden, wenn der Entnahmesensor 20 die Entnahme des Auffangbehälters 16 erkennt, wenn davon ausgegangen wird, dass bei einem entnommenen Auffangbehälter 16 dieser auch geleert wird. Weiterführend kann der Entnahmesensor 20 auch einen metallischen Detektor umfassen, mit dem erkennbar ist, ob sich auch tatsächlich keine Restnietdorne 14 mehr im Auffangbehälter 16 befinden.The counting device 17 (according to the embodiment not claimed) supplies the information about the number of remaining rivet mandrels 14 to the control unit 23, the number being recognized, for example, at the conveying channel 15. The detection via the sensing cell device 17 can also take place at a different point, for example within the rivet setting mechanism 11 . The number of residual rivet mandrels 14 in the collection container 16 is detected according to the invention by the electronic counting device 18 based on the number of times the activation switch 19 has been actuated, so that no further sensor means are required, since a simple electronic count in the control unit 23 determines the number of rivet elements 12 can be counted. The count can be zeroed, for example, when the removal sensor 20 detects the removal of the collection container 16, when it is assumed that a collection container 16 that has been removed will also be emptied. Furthermore, the removal sensor 20 can also include a metallic detector, with which it can be seen whether there are actually no remaining rivet mandrels 14 in the collecting container 16 .

Gemäß einer noch weiteren Variante der erfindungsgemäßen Ausführung des Nietgerätes 1 ist es denkbar, dass die Steuereinheit 23 die Annahme einer Aktivierung des Aktivierungsschalters 19 unterbindet, wenn der Auffangbehälter 16 voll ist und entleert werden muss. Dieser Zustand kann dem Benutzer mittels des Anzeigemittels 25 angezeigt werden, sodass dieser erst den Auffangbehälter 16 leeren muss, um das Nietgerät 1 weiter zu benutzen.According to yet another variant of the embodiment of the riveting tool 1 according to the invention, it is conceivable that the control unit 23 prevents the acceptance of an activation of the activation switch 19 when the collection container 16 is full and needs to be emptied. This state can be communicated to the user using the Display means 25 are displayed, so that it first has to empty the collecting container 16 in order to continue using the riveting tool 1 .

Weiterhin gezeigt ist ein Mobiltelefon 26, und das Nietgerät 1 kann zur Kommunikation mit dem Mobiltelefon 26 über eine Drahtlosverbindung 28 ausgebildet sein, sodass vom Nietgerät 1 an das Mobiltelefon 26 eine Information wenigstens umfassend die Restanzahl von verbleibenden Nietvorgängen und/oder die Notwendigkeit einer Entleerung des Auffangbehälters 16 übermittelt wird und mittels einer App 27 dem Benutzer auf dem Mobiltelefon 26 angezeigt wird.Also shown is a mobile phone 26, and the riveting tool 1 can be designed to communicate with the mobile phone 26 via a wireless connection 28, so that the riveting tool 1 transmits information to the mobile phone 26 at least including the remaining number of riveting operations and/or the need to empty the Collection container 16 is transmitted and is displayed to the user on the mobile phone 26 by means of an app 27 .

Über das Anzeigemittel 25 besteht zudem die Möglichkeit, dem Benutzer eine Information darüber bereitzustellen, wie viele Nietelemente 12 noch gesetzt werden können, bis eine Entleerung des Auffangbehälters 16 erfolgen muss. Diese Information kann beispielsweise durch eine Rückzählung von noch verbleibenden Nietsetzvorgängen erfolgen, die im Anzeigemittel 25 zur Anzeige gebracht wird.Via the display means 25 there is also the possibility of providing the user with information about how many rivet elements 12 can still be set before the collection container 16 has to be emptied. This information can be provided, for example, by counting down the remaining rivet setting processes, which is displayed on the display means 25 .

Die Erfindung beschränkt sich in ihrer Ausführung nicht auf das vorstehend angegebene bevorzugte Ausführungsbeispiel.The invention is not limited in its implementation to the preferred exemplary embodiment given above.

BezugszeichenlisteReference List

11
Nietgerätriveting tool
1010
Gehäusehousing
1111
Nietsetzmechanikrivet setting mechanism
1212
Nietelementrivet element
1313
Werkstückworkpiece
1414
Restnietdornresidual mandrel
1515
Förderkanalconveyor channel
1616
Auffangbehältercollection container
1717
sensierende Zähleinrichtungsensing counting device
1818
elektronische Zähleinrichtungelectronic counting device
1919
Aktivierungsschalteractivation switch
2020
Entnahmesensorremoval sensor
2121
Mundstückmouthpiece
2222
Akkumulatoraccumulator
2323
Steuereinheitcontrol unit
2424
Handgriffhandle
2525
Anzeigemitteldisplay means
2626
Mobiltelefonmobile phone
2727
Appapartment
2828
Drahtlosverbindungwireless connection

Claims (11)

  1. Method for operating an electrically-driven handheld riveting device (1) which has a housing (10) and an activation switch for activating the riveting device, wherein a riveting setting mechanism (11), with which the rivet elements (12) are set in the workpieces (13) to be joined, is accommodated in the housing, wherein residual rivet mandrels (14) are generated during the setting of the rivet elements (12) and are conveyed through a conveyor channel (15) of the riveting device (1) into a collection container (16) of the riveting device (1), wherein
    - means are provided with which the number of the residual rivet mandrels (14) in the collection container (16) is determined, and that
    - the information, whether it is necessary to empty the collection container (16), is provided to a user,
    characterized in that
    the means comprise an electronic counting device (18) with which the number of actuations of the riveting device (1) by means of the activation switch (19) by the user is counted in a control unit (23), from which the number of residual rivet mandrels (14) conveyed into the collection container (16) is determined.
  2. Method according to claim 1, characterized in that a removal sensor (20) is provided, with which a removal of the collection container (16) from the housing (10) of the riveting device (1) is detected, and wherein the tally of the residual rivet mandrels (14) in the collection container (16) is zeroed after a removal of the collection container (16) from the housing (10).
  3. Method according to one of the preceding claims, characterized in that a display means (25) present on the riveting device (1) is provided, wherein it is indicated to the user with the display means (25) if and/or when it is necessary to empty the collection container (16), and/or wherein a remaining number of riveting operations until it is necessary to empty the collection container (16) is displayed to the user with the display means (25).
  4. Method according to one of the preceding claims, characterized in that the riveting device (1) is designed for communication with a mobile telephone (26) via a wireless connection (28) so that information comprising at least the remaining number of remaining riveting operations and/or the necessity of emptying the collection container (16) is transmitted from the riveting device (1) to the mobile telephone (26) and is displayed to the user on the mobile telephone (26) by means of an app (27).
  5. Electronically-driven handheld riveting device (1) with a housing (10) and an activation switch for activating the riveting machine, wherein a riveting setting mechanism (11), with which the rivet elements (12) can be set in the workpieces (13) to be joined, is accommodated in the housing, and with a conveyor channel (15) through which residual rivet mandrels (14), generated during the setting of the rivet elements (12), can be conveyed into a collection container (16) of the riveting device (1), wherein
    - means are provided with which the number of the residual rivet mandrels (14) in the collection container (16) can be determined, and that
    - the information, whether it is necessary to empty the collection container (16), can be provided to a user,
    characterized in that
    the means comprise an electronic counting device (18) as a component of a control unit (23), with which means the frequency of the actuation of the riveting device (1) by means of the activation switch (19) can be counted.
  6. Handheld riveting device (1) according to claim 5, characterized in that a removal sensor (20) is provided, with which a removal of the collection container (16) from the housing (10) of the riveting device (1) can be detected.
  7. Handheld riveting device (1) according to one of claims 5 to 6, characterized in that a display means (25) is provided and is designed to display a remaining number of riveting operations until it is necessary to empty the collection container (16).
  8. Handheld riveting device (1) according to one of claims 5 to 7, characterized in that visual, audible, and/or haptic signal means are provided, with which a user of the riveting device (1) can be signaled if it is necessary to empty the collection container (16).
  9. Handheld riveting device (1) according to one of claims 5 to 8, characterized in that a control unit (23) is provided which deactivates the riveting device (1) when it is necessary to empty the collection container (16).
  10. Handheld riveting device (1) according to one of claims 5 to 9, characterized in that an actuation means for manual actuation is provided, by means of which a removal of the collection container (16) is carried out, wherein the actuation means lights or flashes in the case that it is necessary to empty the collection container (16).
  11. Handheld riveting device (1) according to one of claims 5 to 10, characterized in that the riveting device (1) is designed for autonomous operation with an accumulator (22).
EP16203585.1A 2015-12-21 2016-12-13 Electrically-driven handheld riveting machine and its method for operation Active EP3184194B1 (en)

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US (1) US10478889B2 (en)
EP (1) EP3184194B1 (en)
CN (1) CN106890922B (en)
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DE102022128654A1 (en) * 2022-10-28 2024-05-08 Tkr Spezialwerkzeuge Gmbh Method for using a hand-held pulling and pushing device for repairing motor vehicle components

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US20170173662A1 (en) 2017-06-22
DE102015122374B4 (en) 2023-12-07
DE102015122374A1 (en) 2017-06-22
CN106890922A (en) 2017-06-27
ES2912984T3 (en) 2022-05-30
US10478889B2 (en) 2019-11-19
EP3184194A1 (en) 2017-06-28
CN106890922B (en) 2021-05-04

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